llvm-project/llvm/unittests/Support/Base64Test.cpp

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//===- llvm/unittest/Support/Base64Test.cpp - Base64 tests
//--------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file implements unit tests for the Base64 functions.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Base64.h"
#include "llvm/ADT/StringRef.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
/// Tests an arbitrary set of bytes passed as \p Input.
void TestBase64(StringRef Input, StringRef Final) {
auto Res = encodeBase64(Input);
EXPECT_EQ(Res, Final);
}
} // namespace
TEST(Base64Test, Base64) {
// from: https://tools.ietf.org/html/rfc4648#section-10
TestBase64("", "");
TestBase64("f", "Zg==");
TestBase64("fo", "Zm8=");
TestBase64("foo", "Zm9v");
TestBase64("foob", "Zm9vYg==");
TestBase64("fooba", "Zm9vYmE=");
TestBase64("foobar", "Zm9vYmFy");
// With non-printable values.
char NonPrintableVector[] = {0x00, 0x00, 0x00, 0x46,
0x00, 0x08, (char)0xff, (char)0xee};
TestBase64({NonPrintableVector, sizeof(NonPrintableVector)}, "AAAARgAI/+4=");
// Large test case
char LargeVector[] = {0x54, 0x68, 0x65, 0x20, 0x71, 0x75, 0x69, 0x63, 0x6b,
0x20, 0x62, 0x72, 0x6f, 0x77, 0x6e, 0x20, 0x66, 0x6f,
0x78, 0x20, 0x6a, 0x75, 0x6d, 0x70, 0x73, 0x20, 0x6f,
0x76, 0x65, 0x72, 0x20, 0x31, 0x33, 0x20, 0x6c, 0x61,
0x7a, 0x79, 0x20, 0x64, 0x6f, 0x67, 0x73, 0x2e};
TestBase64({LargeVector, sizeof(LargeVector)},
"VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wcyBvdmVyIDEzIGxhenkgZG9ncy4=");
}